000			00720nam a2200241Ia 4500
003			OSt
005			20220926023039.0
006			a|||||r|||| 00| 0
007			ta
008			220923b |||||||| |||| 00| 0 eng d
037			_cGeneral Book
040			_aRTL _cRTL _beng
041			_2eng _aeng
082			_aB6, K5
100			_aHarary Frank, and others _9328599
245		0	_aStructural models _b An introduction to the theory of directed graphs
260			_aNew York _bWiley _c1965
300			_aix,415p. _ccm.
500			_aBibliography: P 392-395; Glossary: P 404-410
650			_aGeometry _9180965
942			_hB6, K5 _cGB _2CC
999			_c640828 _d640828